I have not come to conclusions about a line source that extends floor-to-ceiling, is infinitely long acoustically, and thus generates a cylindrical wave.

从地板到天花板的线性声源，它在声学上是无限长的，所以会产生柱形波。对于这个我还没有得出结论。

youdao

I have not come to conclusions about a line source that extends floor-to-ceiling, is infinitely long acoustically, and thus generates a cylindrical wave.

从地板到天花板的线性声源，它在声学上是无限长的，所以会产生柱形波。对于这个我还没有得出结论。

youdao